How did a demonic witch become the leader of the righteous path?

In a shocking turn of events, Yu Zhao transmigrated into a new world, finding herself transformed into a stunningly beautiful woman with fair skin and long legs. However, her newfound life took a dark turn when she was taken in by a demonic cultivator, forced to serve as his food supply. With no escape, Yu Zhao was compelled to kill her master, an act that would forever change her trajectory. Years later, she rose to unimaginable power, sitting upon a throne, adorned in green, as thousands worshipped her. Her junior sister was baffled by this transformation, questioning how a former demonic cultivator like Yu Zhao could become the leader of the righteous path. With a calm smile, Yu Zhao revealed her astonishing transformation, as a halo of golden merit condensed behind her, leaving her junior sister speechless. This unexpected turn of events had left the world in a state of utter bewilderment, as the lines between good and evil became increasingly blurred.